<?xml version="1.0" encoding="utf-8"?>
<stylesheet xmlns="http://www.w3.org/1999/XSL/Transform" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:xalan="http://xml.apache.org/xslt" xmlns:func="http://exslt.org/functions" xmlns:math="http://exslt.org/math" version="1.0" extension-element-prefixes="math func" math:doc="http://www.exslt.org/math">
   <import href="math.atan.msxsl.xsl"/>
   <func:script language="exslt:javascript" implements-prefix="math" src="math.atan.js"/>
   <script implements-prefix="math" src="math.atan.js" language="javascript"/>
</stylesheet>